12 ms·It's probably caused by induction in the radio's circuits, not by charger emitting radio waves.by frgewut 11y agoIt's probably caused by induction in the radio's circuits, not by charger emitting radio waves.cperciva 11y agoPerhaps, but wouldn't that affect FM reception too? I only get interference when tuned to the AM band.ahh 11y agoFM capture, perhaps? FM reception is naturally much more resilient to interference so long as the absolute magnitude of the interfering signal is lower.